Legend Valve 450-833P 1/2 No Lead Press x FNPT Union valve
A no-lead, dezincification-resistant forged brass union valve with a press-to-FNPT connection for potable-water plumbing
- No-lead brass protects drinking water safety
- DZR forged brass resists dezincification corrosion
- Press-to-FNPT union enables fast, flameless installation
- California Prop 65 warning discloses regulated chemicals
- Manufacturer-direct shipping on orders over $75
Plumbing Valve for Press and FNPT Connections
This valve joins press-fit tubing to female NPT threads in potable-water systems. It is built from no-lead DZR forged brass to meet low-lead requirements. Installers working on residential or light-commercial plumbing will find it suited for standard distribution lines.
Thermal and Power Behaviour in Service
The brass body conducts heat evenly and does not add electrical load to the system. No moving parts generate noise during normal flow. Pressure and temperature ratings follow the press-fitting manufacturer’s guidelines for the tubing used.
1/2-Inch Press-by-FNPT Union Configuration
The single specification that decides fit is the 1/2-inch press-by-FNPT union end connection. Buyers needing a different end type, a larger bore or a sweat connection must select another valve.
How it compares
Measured against everything we stock in Plumbing Valves & Valve Assemblies, at today’s prices. Recalculated every night.
- Price $16.99
- Cheaper than about 85% of the 720 comparable items (median $47.49).
Specifications
| Product | |
|---|---|
| Brand name | LEGEND VALVE |
Questions about this item
How do I install the 450-833P press union without damaging the O-ring?
Cut the copper tube square, deburr inside and out, mark the insertion depth, then press with a calibrated jaw — skipping the deburr step is the most common cause of leaks.
What maintenance will the no-lead DZR forged brass union need over time?
Exercise the union nut annually to prevent seizing, inspect the press seal for corrosion, and replace the O-ring if any weep appears during pressure tests.
What limit appears first when the valve sees continuous high-temperature water?
The EPDM O-ring reaches its thermal limit before the DZR brass body, so sustained temperatures above the seal rating will require O-ring replacement first.
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